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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
Countersunk mounting holes with color matching Philips posi-drive screws
Perforated face grille
904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)
Parallel Blade Volume Damper 3000P-60X20 Specialty Products Nylon bushings for easy adjustmenth3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
US$ 69.90
US$ 3700.00
US$ 65500.00
US$ 31250.00
